int myaccess(char *f) { return access(f, AEXIST); } void* mysbrk(ulong size) { return sbrk(size); } int mycreat(char *n, int p) { return create(n, 1, p); } int mywait(int *s) { int p; Waitmsg status; p = wait(&status); *s = 0; if(status.msg[0]) *s = 1; return p; } int mydup(int f1, int f2) { return dup(f1,f2); } int mypipe(int *fd) { return pipe(fd); } int systemtype(int sys) { return sys & Plan9; } int pathchar(void) { return '/'; } char* mygetwd(char *path, int len) { return getwd(path, len); } int myexec(char *path, char *argv[]) { return exec(path, argv); } int myfork(void) { return fork(); }