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| explain_execlp_or_die(3) | FreeBSD Library Functions Manual | explain_execlp_or_die(3) |
NAME
explain_execlp_or_die - execute a file and report errorsSYNOPSIS
#include <libexplain/execlp.h>void explain_execlp_or_die(, ...);
int explain_execlp_on_error(, ...);
DESCRIPTION
The explain_execlp_or_die function is used to call the execlp(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_execlp(3) function, and then the process terminates by calling exit(EXIT_FAILURE).The explain_execlp_on_error function is used to call the execlp(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_execlp(3) function, but still returns to the caller.
RETURN VALUE
The explain_execlp_or_die function only returns on success, see execlp(3) for more information. On failure, prints an explanation and exits, it does not return.The explain_execlp_on_error function always returns the value return by the wrapped execlp(3) system call.
EXAMPLE
The explain_execlp_or_die function is intended to be used in a fashion similar to the following example:explain_execlp_or_die();
SEE ALSO
- execlp(3)
- execute a file
- explain_execlp(3)
- explain execlp(3) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2009 Peter Miller
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