bash - C use Linux shell functions -

i need make use of bash libraries, sort example , wanted know if can use in c program. instance have file.

(hola)

hola adios bye bye adieu aloha goodbye zap random word word random 

when execute in terminal

$ sort hola > holaordenado  $ cat holaordenado 

prints...

adieu adios aloha bye bye goodbye hola random word word random zap 

is there way can make exact command

$ sort hola > holaordenado 

work inside c program?

#include <stdio.h>       #include <stdlib.h>     int main () {   int i;   printf ("executing command ...\n");   i=system ("sort hola > holaordenado");   printf ("the value returned was: %d.\n",i);   return 0; }