Thread: how to change and return a string from function?

i want to delete the last char in a string, and return it to main.

it is my program but doesn't work!
pls help!


#include <stdio.h>

void ClrR(char**);

void main(void)
{
char* a;
a="1234";
ClrR(&a);
}

void ClrR(char** str)
{
int pos;

pos = strlen(*str)-1;
*(*str+pos)='/0';
}