33 lines
550 B
C
Executable file
33 lines
550 B
C
Executable file
/*
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* perror.c - print an error message on the standard error output
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*/
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/* $Header$ */
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#if defined(_POSIX_SOURCE)
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#include <sys/types.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include "loc_incl.h"
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ssize_t _write(int d, const char *buf, size_t nbytes);
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void
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perror(const char *s)
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{
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char *p;
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int fd;
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p = strerror(errno);
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fd = fileno(stderr);
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fflush(stdout);
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fflush(stderr);
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if (s && *s) {
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_write(fd, s, strlen(s));
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_write(fd, ": ", 2);
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}
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_write(fd, p, strlen(p));
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_write(fd, "\n", 1);
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}
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