| #include <assert.h> | |
| #include <stdio.h> | |
| #include <string.h> | |
| static char* message = "hello, file!"; | |
| int main() { | |
| FILE* file = fopen("/tmp/output.txt", "w"); | |
| assert(file != NULL); | |
| int nwritten = fprintf(file, "%s", message); | |
| assert(nwritten == strlen(message)); | |
| int r = fclose(file); | |
| assert(r == 0); | |
| } |