SIMPLE SOLUTIONS

EXPLAIN_DUP2_OR_DIE - reference manual online

Duplicate a file descriptor and report errors.

Chapter
explain_dup2_or_die(3)               Library Functions Manual              explain_dup2_or_die(3)

NAME explain_dup2_or_die - duplicate a file descriptor and report errors
SYNOPSIS #include <libexplain/dup2.h> void explain_dup2_or_die(int oldfd, int newfd);
DESCRIPTION The explain_dup2_or_die function is used to call the dup2(2) system call. On failure an explanation will be printed to stderr, obtained from explain_dup2(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_dup2_or_die(oldfd, newfd); oldfd The oldfd, exactly as to be passed to the dup2(2) system call. newfd The newfd, exactly as to be passed to the dup2(2) system call. Returns: This function only returns on success. On failure, prints an explanation and exits.
SEE ALSO dup2(2) duplicate a file descriptor explain_dup2(3) explain dup2(2) errors exit(2) terminate the calling process
explain_dup2_or_die(3)
This manual Reference Other manuals
explain_dup2_or_die(3) referred by explain(3) | explain_dup2(3)
refer to dup(2) | _exit(2) | explain_dup2(3)