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| explain_write_or_die(3) | FreeBSD Library Functions Manual | explain_write_or_die(3) |
NAME
explain_write_or_die - write to a file descriptor and report errorsSYNOPSIS
#include <libexplain/write.h>void explain_write_or_die(int fildes, const void *data, long data_size);
DESCRIPTION
The explain_write_or_die function is used to call the write(2) system call. On failure an explanation will be printed to stderr, obtained from explain_write(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:
ssize_t result = explain_write_or_die(fildes, data, data_size);
- fildes
- The fildes, exactly as to be passed to the write(2) system call.
- data
- The data, exactly as to be passed to the write(2) system call.
- data_size
- The data_size, exactly as to be passed to the write(2) system call.
- Returns:
- This function only returns on success. On failure, prints an explanation and exits.
SEE ALSO
- write(2)
- write to a file descriptor
- explain_write(3)
- explain write(2) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2008 Peter Miller
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