#include<stdio.h>
 
int builtin_cmd(char **argv);
int main()
{
	char *argv[128]; //create an array of c_strings with 128 slots in the array
	argv[0] = "quit"; //put 'quit' into argv[0].. 
	printf("%s\n", argv[0]); //prints 'quit', as it should
	builtin_cmd(argv); //call builtin_cmd and pass argv to the function
 
	return 0;
}
int builtin_cmd(char **argv)
{
	printf("%s\n", argv[0]); //prints nothing, should have printed 'quit'
 
	return 0;
}
 

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