ref: 16aaa24c7604b5f9d492796b20179427adb0a91b
dir: /sys/src/cmd/9l/cputime.c/
double cputime(void) { long t[4]; long times(long*); int i; times(t); for(i=1; i<4; i++) t[0] += t[i]; return t[0] / 100.; } long seek(int f, long o, int p) { long lseek(int, long, int); return lseek(f, o, p); } int create(char *n, int m, long p) { int creat(char*, int); if(m != 1) return -1; return creat(n, p); }