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#include <stdio.h> #include <string.h> int main(int ac, char** av) { for(int i =0; i < ac; ++i) { if(strcmp(av[i], "-o") == 0) { FILE* file = fopen(av[i+1], "w"); fprintf(file, "// hello\n"); fclose(file); return 0; } } return 0; }