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Write usage() message on stderr.

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This commit is contained in:
Simon Lieb 2013-08-08 21:03:11 +02:00
parent e7967698d2
commit 7ae9bb1196
1 changed files with 1 additions and 1 deletions
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2
slow.c
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@ -8,7 +8,7 @@
char *argv0; char *argv0;
void usage() { void usage() {
printf("usage: %s [-t usec] [-F]\n", argv0); fprintf(stderr, "usage: %s [-t usec] [-F]\n", argv0);
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }