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#include "lib.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/wait.h>
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#include <unistd.h>
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int
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system(const char *s)
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{
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	int w, status;
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	pid_t pid;
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	char cmd[30], *oty;
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	oty = getenv("cputype");
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	if(!oty)
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		return -1;
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	if(!s)
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		return 1; /* a command interpreter is available */
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	pid = fork();
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	snprintf(cmd, sizeof cmd, "/%s/bin/ape/sh", oty);
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	if(pid == 0) {
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		execl(cmd, "sh", "-c", s, NULL);
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		_exit(1);
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	}
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	if(pid < 0){
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		_syserrno();
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		return -1;
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	}
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	for(;;) {
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		w = wait(&status);
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		if(w == -1 || w == pid)
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			break;
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	}
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	if(w == -1){
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		_syserrno();
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		return w;
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	}
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	return status;
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}