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Full Discussion: String copy in C language
Top Forums Programming String copy in C language Post 302377256 by Franklin52 on Thursday 3rd of December 2009 02:33:14 PM
Old 12-03-2009
Quote:
Originally Posted by gaurav1086
hi..
you can use fgets to read chunks of data into a string.
the code can be around like this
Code:
fd=open("your_file_name",O_RDONLY);
char  *email,*user;
fgets(fd,email,23); //it would store the value of email into the buffer email.

//likewise you can store the value of user too.
check the manual for fgets.
Since the length of the email address could be variable the strtok method is preferred.
 

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explain_fgets_or_die(3) 				     Library Functions Manual					   explain_fgets_or_die(3)

NAME
explain_fgets_or_die - input of strings and report errors SYNOPSIS
#include <libexplain/fgets.h> char *explain_fgets_or_die(char *data, int data_size, FILE *fp); DESCRIPTION
The explain_fgets_or_die function is used to call the fgets(3) system call. On failure an explanation will be printed to stderr, obtained from explain_fgets(3), and then the process terminates by calling exit(EXIT_FAILURE). This function is intended to be used in a fashion similar to the following example: explain_fgets_or_die(data, data_size, fp); data The data, exactly as to be passed to the fgets(3) system call. data_size The data_size, exactly as to be passed to the fgets(3) system call. fp The fp, exactly as to be passed to the fgets(3) system call. Returns: This function only returns on success; data when a line is read, or NULL on end-of-file. On failure, prints an explanation and exits. SEE ALSO
fgets(3) input of strings explain_fgets(3) explain fgets(3) errors exit(2) terminate the calling process COPYRIGHT
libexplain version 0.52 Copyright (C) 2008 Peter Miller explain_fgets_or_die(3)
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