Fgets Param

precision parameter limits the length of longer strings. There is a file for the input stream called stdin, and another one called stdout for the output stream. Finally, we close the file using PHP's fclose() function, passing the opened file as a parameter. It is used to return a line from a file pointer and it stops returning at a specified length, on end of file(EOF) or on a new line, whichever comes first. Parameters: descrp : definition of device from which to acquire. Assume that, a file called “test. Tepper School of Business Carnegie Mellon University Pittsburgh, PA 15213 Phone: 412-268-3585. After clicking the button "Analyze" the Message appears "Analyzing your webresource to get Upgrade Score" together with a progress bar beginning with "File Processing Starts". The fgets() function does not distinguish between end-of-file and error, and callers must use feof(3) and ferror(3) to determine which occurred. We have observed intermittent net. e using Unicode (UTF-16LE) APIs provided by Windows for reading and writing on the console. Parameters str Pointer to an array of chars where the string read is copied. A null character is written immediately after the last character that fgets() reads into the buffer. The fgets subroutine then terminates the data string with a null character. This buffer should be freed by the user program even if getline() failed. A file pointer as returned by Clib. These conversion specifiers determine the type of each cell in the output cell array. Here's a 5-minute "quick and dirty" I wrote for a quick hex2bin style job on the PC the other day:. Both fgets() and gets() read a line terminated with a newline terminator, while gets() reads from stdin and fgets() reads from a specified file. There are currently 15 responses to “C Reference function atoi() convert a string to an integer” Why not let us know what you think by adding your own comment! sarah on March 17th, 2012 :. fgets can cause a seg fault if you give it a buffer pointer that isn't valid. The argument mode points to a string beginning with one of the following sequences (possibly followed by additional characters, as described below): r Open text file for reading. Figure 1 shows how all three functions are used. The fopen() function accepts two parameters: The file name (string). Parameters ws Pointer to an array of wchar_t where the wide string read is copied. Must be greater than the longest line (in characters) in the CSV file. I always seem to be involved with solving many text-data related problems in my VFP projects. " function simply closes the file given by its file pointer. fgets() is used to read string till newline character or maximum limit of the character array, use of fgets() is safe as it checks the array bound. fgets has one more option that is important, you dont have to set the length of the line. dynamic_fgets(&buf, stdin); allows an external user make the program use excessive resources. If the file is stored at some specific location, then we must mention the path at which the file is stored. Note that fgetcsv, at least in PHP 5. c” contains the following data “Hi, How are you?”. Output pointer to a buffer where the null-terminated string will be read in. We need to put our own break otherwise each line would end up on the same line. Capture correlation value from response headers | CsrfToken Value Correlation. The lr_eval_string function returns the input string after evaluating any embedded parameters. $ prog_name param_1 param_2 param_3. The read() function is used to read object (sequence of bytes) to the file. String Vulnerabilities and Exploits. Consider adding a check for length parameter in the code after paramerts are parsed. If no files are specified, the standard input (from keyboard) is read. Another solution you can try is to delete your DNS cache. - The individual items specified are separated from one another by spaces. There is no upper bound. The fputs() function is used to write string into FILE, The fgets() function is used to read string from FILE. 91 +----- + +- fixed bug in rfc822_parse_adrlist() where it would segfault on a bad address. The fgets() function returns a line from an open file. Either the pointer you have passed in isn't a valid pointer at all (possibly corrupted by some other operation), or you are running off the end of whatever buffer you are passing to fgets (this is a very common C mistake to make). registerTool. Learn with simple easy to understand code examples - SystemVerilog for Beginners. Function with arguments and Return Value in C : We have learnt different types of function calling. Parameters: descrp : definition of device from which to acquire. scanf format string (which stands for "scan formatted") refers to a control parameter used by a class of functions in the string-processing libraries of various programming languages. Passing structure to function in C - Learn about Passing struct to function by value and Passing struct to function by reference with example programs. The "argc" variable gives the count of the number of command-line parameters provided to the program. I suspect the behavior of fgets() when passed a size of 0 is either undefined, or a no-op. fgets / Published in: Java Read the content of the given file and return it as tring. The fgets() function reads at most one less than the number of characters specified from the stream into an array. Parameters that start with ASM_ cannot be set in a normal database instance, although they will be present to the show parameter command. The line is always '\0'-terminated. Capture correlation value from response headers | CsrfToken Value Correlation. 3 or previous, will NOT work with UTF-16 encoded files. ) If the input is larger than the size of the buffer, than only the. If you look at the manual for fgets function you will see that it requires 3 arguments: char *fgets(char *s, int size, FILE *stream); The first parameter is where the typed name will go (the jerk variable). Once exceeded, the routine should not. Parameters. How to Use fgets() Here is the syntax for fgets() to read a string from a file. The file to be read and the number of bytes. The fgets reads one line from the fp file stream in to the the buffer pointed to by buf. In addition, you seem to be unconditionally jumping over the "error" section. Writing to a File. fgets() has following parameters: buffer , maximum length , and input device reference. Hi all, I am writing an image filter in C and OpenCV but I notice that scanf and fgets produce different program's behaviours. The fgets function reads a string from the input stream argument and stores it in str. The number of characters that fgets reads is actually one less than than number specified; it stores the null character in the extra character space. Check your path to the file you. Specifies the open file to return a line from: length: Optional. Lesson 15: Reading from a text file. Alternatively, before calling getline(), *lineptr can contain a pointer to a malloc(3)-allocated buffer *n bytes in size. c File Reference This file provides fgets. Lassicer Biology Branch Environmental Research Laboratory Athens, CA 30613 ENVIRONMENTAL RESEARCH LABORATORY OFFICE OF RESEARCH AND DEVELOPMENT U. The result stored in string is appended with a null character. Length Optional parameter, specifies number of bytes to read from file. I could be wrong about this - not very familiar with (G)as syntax, nor with the C library's "high level" (buffered) fopen, etc. These two scenarios have different outcomes, for instance, if you had a buffer of size 2 bytes but you try to read 50 bytes, i. The line is always '\0'-terminated. There are many excellent. php on line 32 Warning: feof() expects parameter. fgets(buffer,27,stdio); Arguments can be variables or immediate values, and multiple arguments are separated by commas. In php known several functions for file operations, among others, fopen, fgets, feof, fread, fwrite, fputs and so forth. The format string specifies a method for reading a string into an arbitrary number of varied data type parameter(s). 5 relate only to an ASM instance, there will be at least one ASM instance per node in a RAC cluster. C does not really have optional parameters. In some situations, doing so can cause exceptions or hangs (see #562); as a workaround, one may call stat explicitly and pass its value in via this parameter. e using Unicode (UTF-16LE) APIs provided by Windows for reading and writing on the console. On the surface, handling text isnt very sexy and seemingly not very interesting. How do I reverse lines of a file or files under Linux or Unix like operating systems? You can use any one of the following method. e fgets(s, 50, fp) , then you'll get a segmentation fault because you are trying to write 50 bytes to a location in memory where. NULL is usually defined as. jcummings68 used Ask the Experts. Parameters str Pointer to an array of chars where the string read is copied. You must supply count characters worth of space in s , but the number of characters read is at most count - 1. gets is an insecure function, its careless use can lead to errors. Copy link Quote reply. There are many excellent. This parameter specifies that the file is to be opened for sequential blocked I/O. fscanf() fgetc() fgets() Files - fscanf() The fscanf() function is used to read the sequence of characters, integers, floats, etc. Must be greater than the longest line (in characters) in the CSV file. Parameter Description; file: Required. To capture the csrf token value in headers you need to do one thing prior to enhance the script. Reading stops when length-1 bytes have been reached, or when a new line occurs, or on EOF. the file reference parameter. if fgets (szBuffer, 82, FileIn)== NULL break; loops ( get next line) when executing this program: MyProg MyTextFile ( param 1 is text file name) It sometimes is okay and sometimes at the very last line of text it breaks with an error: Line XX, token = 0: Out of Range I did not put this debug mesg in, is it as compiler msg?? What do u. (AIX rlogin bug) Reference: CERT:CA-94. char * fgets (char * str, int count, std:: FILE * stream ); Reads at most count - 1 characters from the given file stream and stores them in the character array pointed to by str. The file pointer must be valid, and must point to a file successfully opened by fopen() or fsockopen() (and not yet closed by fclose()). Though some functions have defined special values for some arguments (most common is null pointer for pointer-arguments) which mean "do the default". fgets() Parameters. These two scenarios have different outcomes, for instance, if you had a buffer of size 2 bytes but you try to read 50 bytes, i. 93i/ChangeLog Fri Jul 10 11:41:02 1998 @@ -1307,3 +1307,624 @@ the case where a date rolled over to the previous year when selecting by number of months in the past +Changes since 0. More void end (void) end processing the iterator More bool has_file. If you know bigDaddy is big enough why not just use that as the parameter to fgets() instead of buf? In any event, the program needs to execute line 8 regardless of whether the '\n' exists or not because otherwise bigDaddy won't contain all the data. A null character is automatically appended in str after the characters read to signal the end of the string. Learn about SystemVerilog file IO operations like open, read, , write and close. A newline character makes fgets stop reading, but it is considered a valid character and therefore it is included in the string copied to str. " Understanding of regular expressions and Regex is essential. In order to read information from a file, or to write information to a file, your program must take the following actions. The fgets() function in PHP is an inbuilt function which is used to return a line from an open file. stream − This is the pointer to a FILE object that identifies the stream. fgets() Parameters. Specifies the number of bytes to read. #include #include int main(void) {int i;. Warning: fwrite() expects parameter 3 to be long, string If this is your first visit, be sure to check out the FAQ by clicking the link above. I suspect the behavior of fgets() when passed a size of 0 is either undefined, or a no-op. 3 Input and Output of Strings Library function fgets() C programs often require input and output of strings Standard library functions exist to do string I/O The function fgets() is similar to the readString() example in 5. Warning: fwrite() expects parameter 1 to be resource, boolean given in. 0, omitting it would assume 1024 as the line length. vulnerability Reference: CIAC:E-26 Reference: XF:rlogin-froot Some implementations of rlogin allow root access if given a -froot parameter. The third parameter is the stream from which to read. fgets() function in C. The ANSI prototype is: char *fgets(char *s, int n, FILE *stream); The function reads from the stream pointed to by stream and places the output into the character array pointed to by s. 3 is great news. The number of characters that fgets reads is actually one less than than number specified; it stores the null character in the extra character space. type=memory: This parameter identifies this file as a memory file that is accessible only from C programs. Sorry guys, im still very new to scripting and I appreciate the help you have give me but I can't think of a way to fix this. Example: fgets (str, 60, F); //Here, str is a character array, F is the file variable. Streams are a flexible and object-oriented approach to I/O. The fgets function will stop reading when n -1 characters are read, the first new-line character is encountered in s , or at the end-of-file, whichever comes first. The fgetc() function obtains the next character (if present) as an unsigned char converted to an int from the input stream pointed to by stream. If you are not sure about parameters you need to look them up -- just google "c++ fgets" and you will find the link I posted. fgets() function. The second one says how many characters it can read. char * fgets ( char * str, int num, FILE * stream ); Get string from stream Reads characters from stream and stores them as a C string into str until ( num -1) characters have been read or either a newline or the end-of-file is reached, whichever happens first. Are you using the sizeof operator somewhere?. Warning: fwrite() expects parameter 3 to be long, string If this is your first visit, be sure to check out the FAQ by clicking the link above. 3 anyway, you should remove arbitrary buffer lengths and let PHP do the thinking instead. Also, gets() strips the trailing newline from the. You also need to specify the buffer lengths when using the variant of these functions. h char *ff_fgets( char *pcBuffer, size_t xCount, FF_FILE *pxStream ); Reads a string from a file by reading bytes from pxStream into pcBuffer until either (xCount - 1) bytes have been read, or a newline ('n') character has been read into to pcBuffer. stream Pointer to a FILE object that identifies an input stream. 3 or previous, will NOT work with UTF-16 encoded files. Reading stops when length-1 bytes have been reached, or when a new line occurs, or on EOF. Tepper School of Business Carnegie Mellon University Pittsburgh, PA 15213 Phone: 412-268-3585. void filter_people(list* people_list, filter_fn filter)assert(people_list != NULL);. fgets() reads in at most one less than size characters from stream and stores them into the buffer pointed to by s. char *fgets(char *str, int size, file* file); Let’s take a better look at the parameters here str– This is a pointer to the string or array of characters where you want to save the string after you read it. Both fgets() and gets() read a line terminated with a newline terminator, while gets() reads from stdin and fgets() reads from a specified file. Reads a string from a file. Getting Interactive Input in C In C, input and output is modelled via files. type va_arg(va_list ap , type ); Produce a value of the type ( type ) and value of the next unnamed argument. C++ provides methods of input and output through a mechanism known as streams. char *fgets(char *str, int size, file* file); Let's take a better look at the parameters here str- This is a pointer to the string or array of characters where you want to save the string after you read it. php returns Warning: fgets() expects parameter 1 #777. 2i/ChangeLog mutt-0. Notice that fgets is quite different from gets: not only fgets accepts a stream argument, but also allows to specify the maximum size of str and includes in the string any ending newline character. A function exists in almost all programming languages. _getws_s is a wide-character version of gets_s; its argument and return value are wide-character strings. fgets() Parameters. Return Total number of characters written on success, 0 otherwise. (AIX rlogin bug) Reference: CERT:CA-94. The fgetc() function obtains the next character (if present) as an unsigned char converted to an int from the input stream pointed to by stream. Ive been doing some limited PHP coding for a while, but never really had any training, just learned by searching for specific needs. h header file. Reading stops if end-of-file occurs or a newline character is found, in which case str will contain that newline character. We use cookies for various purposes including analytics. fgets, format (general messup) Scripting Help. gets is an insecure function, its careless use can lead to errors. The file to be read and the number of bytes. Reads a string from a file. (AIX rlogin bug) Reference: CERT:CA-94. I didn't get to the second part of it, because I seem to lose my stored lines along the way. Passing structure to function in C - Learn about Passing struct to function by value and Passing struct to function by reference with example programs. The C library function char *fgets(char *str, int n, FILE *stream) reads a line from the specified stream and stores it into the string pointed to by str. fgets() It reads a line from the specified stream and stores it into the string pointed to by str. It stops when either (n-1) characters are read, the newline character is read, or the end-of. File specifies filename to read content 2. fgets() function in C. On success the function returns the same "str" parameter, or if the EOF is encountered with no characters been read a null pointer is returned the end of C string. php on line 32 Warning: feof() expects parameter. As the word suggests, a function is a group of statements clubbed together to perform a particular task. Alternative to fgets (Parsing text file) the second parameter is used to tell fgets on how many bytes of data should it get per cycle, which won't solve the problem. registerTool. In this day and age, programmers often need to return multiple values from functions in C++. The feof function returns a 1 if a previous operation set the end-of-file indicator for the specified file. n − This is the maximum number of characters to be read (including the final null-character). This function takes three parameters: the first is the string into which to read data, the second is the maximum number of characters to read. If you need to set a timeout for reading/writing data over the socket, use stream_set_timeout(), as the timeout parameter to fsockopen() only applies while connecting the socket. If you get the root parameters by specifying get_param(0,'ObjectParameters'), then the output ParamValue is a structure array with the root parameter names as separate fields in the structure. It takes three parameters: 1. At the end of the article, I will write a portable implementation. Read parameters from config file (file parser?) Hi i need to fast write a programme that reads parameters from a file (I think this is called file parser) The conf file has the following syntax (like all the conf file). If you have code that uses fgets() and for which you require PHP 4. In this C programming language video tutorial / lecture for beginners video series, you will learn about how to read a string from a file using fgets() function in detail with example. In contrast, the fgets_s function retains the newline character. htm): failed to open stream: No such file or directory in /homepages/14/d16986331/htdocs/0metat. It begins to read from beginning and stop returning on a new line or on the specified length whichever comes first. As for fgets() being unreliable, it isn't if you use it correctly. On success, the fgets() function returns str and on failure it returns null pointer. I tried to read an input into a buffer with fgets. If you know bigDaddy is big enough why not just use that as the parameter to fgets() instead of buf? In any event, the program needs to execute line 8 regardless of whether the '\n' exists or not because otherwise bigDaddy won't contain all the data. The produced character string is always null-terminated. The read() function is used to read object (sequence of bytes) to the file. Although the standard specification is ambiguous in the case where count == 1, common implementations read no characters, store zero in str [0], and report success (return str) Example. The file pointer must be valid, and must point to a file successfully opened by fopen() or fsockopen() (and not yet closed by fclose()). It gets the strings 1 line each time. RESOURCES. The function is included in the library RL-FlashFS. jcummings68 used Ask the Experts. You can use fgets like gets for a specific file, by passing INT_MAX and thus effectivly. The gets() function has been used extensively in the examples of vulnerable programs in this book. A null character is written immediately after the last character that fgets() reads into the buffer. Parameters str Pointer to an array of chars where the string read is stored. Standard I/O Routines perform input and output operations on files. It is used to return a line from a file pointer and it stops returning at a specified length, on end of file(EOF) or on a new line, whichever comes first. In C, input and output is modelled via files. Feof returns true if we're at the end of a file, and false if we're not. That omitting the length parameter implies unlimited length in PHP 4. Thanks, Eiji. strlen counts all the characters in a string, including the newline, so "CAFE\n" actually is 5 characters long. Specifies the maximum length of a line. Example: A program has to remember certain things, like what your shopping cart contains or what data was inputted prior to the current operation. As I understand it, fgets is dependent on: char * fgets ( char * str, int num, FILE * stream ); char* str is the ptr to where my input will be stored. Is A's fgets( ) guaranteed to complete before B's fgets ( ) begins? IOW, can both A and B count on receiving coherent lines when they are competing to fgets( ) from the same stream? Or must each process somehow bracket its fgets( ) with explicit stream locks and. This is the example of fgets(). Passing a Value to a Function illustrates an example. String Vulnerabilities and Exploits. No additional characters are read after fgets() has read and transferred a newline character to the buffer. Previous sections described common errors in manipulating strings in C or C++. 3 or previous, will NOT work with UTF-16 encoded files. Figure 1 shows how all three functions are used. php on line 32 Warning: feof() expects parameter. I always seem to be involved with solving many text-data related problems in my VFP projects. The file to be read and the number of bytes. It is used to return a line from a file pointer and it stops returning at a specified length, on end of file(EOF) or on a new line, whichever comes first. Therefore, if you would like to read one line from a text file, you should use fgets. The RegOpenKeyEx() function retrieves an HKEY open handle that is assigned to an HKEY variable via a pointer to that variable, which is passed in as the fifth and final parameter of the function. fputs fputs function writes string to a file. I can't see anything what might be causing the problem with just the code you've posted there. The call to fgets reads all input up to and including a newline. h char *ff_fgets( char *pcBuffer, size_t xCount, FF_FILE *pxStream ); Reads a string from a file by reading bytes from pxStream into pcBuffer until either (xCount - 1) bytes have been read, or a newline ('n') character has been read into to pcBuffer. [*] 24 Jul 2012, random - Improvement (0124413): Sharpening parameters adjusted to improve quality of auto-generaged thumbnail images. If *lineptr is set to NULL and *n is set 0 before the call, then getline() will allocate a buffer for storing the line. adatai, címe, telefonszáma, nyitvatartása. Specifies the open file to return a line from: length: Optional. You also need to specify the buffer lengths when using the variant of these functions. The write() function is used to write object or record (sequence of bytes) to the file. The third parameter is the stream from which to read. PHP fgets() function is used for reading single line from file This function takes two arguments as described below. Step-by-Step Solution: Step 1 of 5 Create a text file ’somestrings. Read and write operations are done with the fread() and fwrite() functions. So I decided to get a book and start from the beginning to see what else PHP can do that I dont know about. We use cookies for various purposes including analytics. Oranges and lemons, Pineapples and tea. Ajuda do Scilab >> Dicas de Conversão de Matlab para Scilab > Matlab-Scilab equivalents > F > fgets (Matlab function) fgets (Matlab function) Read line from file, keep newline character. Specifies the open file to return and parse a line from: length: Optional. php This has been reported in previous versions (eg bug 15480) and fixed. Read and display one line at a time until you reach the end of the file. The fgets() function reads at most one less than the number of characters specified from the stream into an array. Defensive coding does not allow memory consumption to go unchecked from potential hostile users or pathological file input. The function fgets reads a string from a data steam. Off-by-one errors are common in using the C library because it is not consistent with respect to whether one needs to subtract 1 byte – functions like fgets() and strncpy will never write past the length given them (fgets() subtracts 1 itself, and only retrieves (length − 1) bytes), whereas others, like strncat will write past the length. Functions in C Programming. The default value for "num is 256 bytes. * * ODBC USAGE : * The stored procedure performs 3 actions:-* a - Select all records * b - Select specific record based on identity field * c - Update specific record based on identity field * and has 7 parameters:-* 1 - action - 0 Select all records, * - 1 Select specific record * - 2 Update record * 2 - record ID - unique record id for. If you know bigDaddy is big enough why not just use that as the parameter to fgets() instead of buf? In any event, the program needs to execute line 8 regardless of whether the '\n' exists or not because otherwise bigDaddy won't contain all the data. C fgets - C fgets function is implemented in file related programs for reading strings from any particular file. In order to read information from a file, or to write information to a file, your program must take the following actions. File specifies filename to read content 2. These conversion specifiers determine the type of each cell in the output cell array. IA-32 Parameter Passing" ESP before call • Caller pushes parameters in the 0 reverse order! • Push Nth param first! • Push 1st param last! • So first param is at top of the stack at the time of the Call! Param N Param 1 Param …. If code reads a '\0', that is not practical to discern with fgets(). Did you change the second parameter of fgets from 50 to 2 or you buffer size from 50 to 2. You can use fgets like gets for a specific file, by passing INT_MAX and thus effectivly. String Vulnerabilities and Exploits. fgets() is an I/O function that reads upto a character less from the specified number in "num" attribute, then places them into the character array pointed by the stream. jcummings68 used Ask the Experts. The value returned by fgets() is the string that was input. If the first character read is the end-of-file character, a null character is stored at the beginning of buffer and NULL is returned. The function fgets reads a single line from a text file. This is essential for many programs that might require command line parameters, or standard input. The fgets function reads characters from the stream stream up to and including a newline character and stores them in the string s, adding a null character to mark the end of the string. A null character is automatically appended in str after the characters read to signal the end of the string. collapse all. The fgets subroutine reads data up to the number of bytes specified by the Number parameter minus 1, or until it reads a new-line character and transfers that character to the String parameter, or until it encounters an end-of-file condition. fgets() function reads the data and returns a line from an open file. $ prog_name param_1 param_2 param_3. Térkép, települések Warning: fopen(--. The maximum length of the string to be returned if no newline character is encountered; if the File Mode is Unicode, the length parameter is the length in Unicode characters. type va_arg(va_list ap , type ); Produce a value of the type ( type ) and value of the next unnamed argument. 2i/ChangeLog mutt-0. In this chapter, we will see how to use streams for data output and input. The Function is use to read a string from a file. First, we calculate the length of the string without using strlen function and then copy its characters in reverse order (from end to beginning) to a new string using a for loop. This is the wide character equivalent of fgets. A null character is automatically appended in str after the characters read to signal the end of the string. str: Pointer to an character array that stores the content of file. What are A, B and C?? fgets() reads an entire line, so unless you want to skip 3 lines it should only appear once. Set the constant to allow only three characters input. On success, the fgets() function returns str and on failure it returns null pointer. The number of characters that fgets reads is one less than than number specified; it stores the null character in the last character space. I know everybody has told me to use fgets and not gets because of buffer overflow. Capture correlation value from response headers | CsrfToken Value Correlation. There is no upper bound. The following code can be used to write to a file. Let’s read this data using following C program using fgets() function. However I found that could cause it’s own issues when there was a legitimate delay in new STDIN arriving, fgets would return false and PHP would end the loop. If you have code that uses fgets() and for which you require PHP 4. 5 relate only to an ASM instance, there will be at least one ASM instance per node in a RAC cluster. This parameter specifies that the file is to be opened for sequential blocked I/O. The number and type of values that a function requires must be specified when the function is written and for its prototype as well. Lesser issues include fgets() handling of NULL augments, small buffer size, undefined buffer state on ferror() and use of int vs size_t. Parameters ws Pointer to an array of wchar_t where the wide string read is copied. Warning: fwrite() expects parameter 1 to be resource, boolean given in. Must be greater than the longest line (in characters) in the CSV file. Consider two concurrent processes, A and B, that read via fgets( ) a single stream. COM - From AS400 to IBM i. Scilab Help >> Matlab to Scilab Conversion Tips > Matlab-Scilab equivalents > F > fgets (Matlab function) fgets (Matlab function) Read line from file, keep newline character. The file pointer must be valid, and must point to a file successfully opened by fopen() or fsockopen() (and not yet closed by fclose()). stream: The file stream to read the characters. * The user is given a list of records to choose from * * ODBC USAGE : * The stored procedure performs 3 actions:-* a - Select all records * b - Select specific record based on identity field * c - Update specific record based on identity field * and has 7 parameters:-* 1 - action - 0 Select all records, * - 1 Select specific record * - 2 Update.