SIMPLE SOLUTIONS

EXPLAIN_DUP_OR_DIE - reference manual online

Duplicate a file descriptor and report errors.

Chapter
explain_dup_or_die(3)                Library Functions Manual               explain_dup_or_die(3)

NAME explain_dup_or_die - duplicate a file descriptor and report errors
SYNOPSIS #include <libexplain/dup.h> void explain_dup_or_die(int fildes);
DESCRIPTION The explain_dup_or_die function is used to call the dup(2) system call. On failure an explanation will be printed to stderr, obtained from explain_dup(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_dup_or_die(fildes); fildes The fildes, exactly as to be passed to the dup(2) system call. Returns: This function only returns on success. On failure, prints an explanation and exits.
SEE ALSO dup(2) duplicate a file descriptor explain_dup(3) explain dup(2) errors exit(2) terminate the calling process
explain_dup_or_die(3)
This manual Reference Other manuals
explain_dup_or_die(3) referred by explain(3) | explain_dup(3)
refer to dup(2) | _exit(2) | explain_dup(3)