STRERROR(3) Linux Programmer's Manual STRERROR(3) NAME strerror - return string describing error code SYNOPSIS #include <string.h> char *strerror(int errnum); DESCRIPTION The strerror() function returns a string describing the error code passed in the argument errnum. The string can only be used until the next call to strerror(). RETURN VALUE The strerror() function returns the appropriate description string, or an unknown error message if the error code is unknown. CONFORMING TO SVID 3, POSIX, BSD 4.3, ISO 9899 SEE ALSO errno(3), perror(3), strsignal(3) GNU April 13, 1993 STRERROR(3)