(gdb) run <teste01
Starting program: /home/antonio/Desktop/t/bin/trabalho_l <teste01
Failed to read a valid object file image from memory.

Program received signal SIGSEGV, Segmentation fault.
0x08049caa in listNumWords (parag=0x804b008, s=0x0) at ./src/trabalho_t.c:661
661                     for (j = 0;j < (strlen(s));j++) {