10_fprintf_streams.c (409B)
1 /* fprintf to stdout / stderr. Exercises the libkit_hosted accessor 2 * macros for stdin/stdout/stderr -- a stock `#define stdout (...)` route 3 * that all three host libcs (Darwin libSystem, glibc, musl) reach via 4 * different underlying symbols. */ 5 6 #include <stdio.h> 7 8 int main(void) { 9 fprintf(stderr, "from stderr\n"); 10 fprintf(stdout, "from stdout\n"); 11 fflush(stdout); 12 fflush(stderr); 13 return 0; 14 }