LibTCC demo - usage example for live c code compilation & execution

libtccdemo.c

#include <stdio.h>
#include <stdlib.h>
#include <libtcc.h>

void callme(int x) {
    printf("hello, %d\n", x);
}

void error_func(void * user, const char * msg) {
    printf("TCC Error: %s\n", msg);
    exit(1);
}

int main(int argc, char ** argv) {
    int err;
    TCCState * s = tcc_new();
    tcc_set_output_type(s, TCC_OUTPUT_MEMORY);
    tcc_compile_string(s, "void callme(int); int main() { callme(42); }");
    tcc_set_error_func(s, 0, error_func);
    tcc_add_symbol(s, "callme", callme);
    tcc_run(s, argc, argv);
    tcc_delete(s);
}