37 lines
566 B
C
37 lines
566 B
C
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char *getenv();
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char *index();
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execlp(name, argv)
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char *name, *argv;
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{
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return(execvp(name, &argv));
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}
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execvp(name, argv)
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char *name, **argv;
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{
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char *path = getenv("PATH");
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register char *c = "";
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char progname[1024];
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if (path == 0) path = ":/bin:/usr/bin";
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if (! index(name, '/')) c = path;
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do {
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register char *p = progname;
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register char *n = name;
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char *c1 = c;
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while (*c && *c != ':') {
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*p++ = *c++;
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}
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if (c != c1) *p++ = '/';
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if (*c) c++;
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while (*n) *p++ = *n++;
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*p = 0;
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execv(progname, argv);
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} while (*c);
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return(-1);
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}
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