cosmopolitan/examples/forkexec.c

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#if 0
/*─────────────────────────────────────────────────────────────────╗
To the extent possible under law, Justine Tunney has waived
all copyright and related or neighboring rights to this file,
as it is written in the following disclaimers:
http://unlicense.org/ │
http://creativecommons.org/publicdomain/zero/1.0/ │
*/
#endif
#include "libc/calls/calls.h"
#include "libc/stdio/stdio.h"
int main(int argc, char *argv[]) {
int pid;
if (argc < 3) {
fputs("USAGE: FORKEXEC.COM PROG ARGV₀ [ARGV₁...]\n", stderr);
return 1;
}
if (!fork()) {
execv(argv[1], argv + 2);
return 127;
}
}