Programming

gcc -g file.c
./a.out
gdb ./a.out core
(gdb) bt

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

char *get_full_name(const char **t)
{
    char *f=(char *) malloc(sizeof(char));
    
    while (*t) {
        f = (char *) realloc(f, strlen(*t)+strlen(f)+1);
        sprintf(f,"%s%s%s",f,(strlen(f)?" ":""),*t++);
    }
    return f;
}

int main(int argc, char **argv)
{
    const char *str[] = {"John", "Quincy", "Adams", NULL};
    char *res;

    res = get_full_name(str);
    printf("Result: <%s>\n", res);
    return 0;
}