idris-0.11.1: test/tutorial007/nativetypes.c
#include <stdio.h>
int sizeof_size_t() {
int sz = sizeof(size_t);
FILE *f = fopen("sizefromc.txt", "w");
if (f == NULL) {
printf("Failed to open file from C");
}
fprintf(f, "%d bytes", sz);
return sz;
}