switched out the strtok

get_location.c

@@ -17,7 +17,7 @@ char *get_location(char *command)
 	{
 		path_copy = _strdup(path);
 		command_length = _strlen(command);
-		path_token = strtok(path_copy, ":");
+		path_token = _strtok(path_copy, ":");
 		while (path_token != NULL)
 		{
 			directory_length = _strlen(path_token);
@@ -34,7 +34,7 @@ char *get_location(char *command)
 			else
 			{
 				free(file_path);
-				path_token = strtok(NULL, ":");
+				path_token = _strtok(NULL, ":");
 			}
 		}
 		free(path_copy);

main.h

@@ -38,4 +38,6 @@ int _atoi(char *s);
 int has_space(char *input);
 int _isletter(int c);
 char *_realloc(char *ptr, size_t size);
+char *_strtok(char *str, const char *delim);
+
 #endif /* _MAIN__H_ */

num_tokens.c

@@ -12,13 +12,13 @@ int num_token(char *str, const char *delim)
 	char *token;
 	int token_num;
 
-	token = strtok(str, delim);
+	token = _strtok(str, delim);
 
 	token_num = 0;
 	while (token != NULL)
 	{
 		token_num++;
-		token = strtok(NULL, delim);
+		token = _strtok(NULL, delim);
 	}
 	return (token_num);
 }

parse_input.c

@@ -14,24 +14,24 @@ char **parse_input(char *input, const char *delim, int *num_tokens)
 	int i;
 	char **argv;
 
-	input_copy = strdup(input);
+	input_copy = _strdup(input);
 	if (!input_copy)
 		error("string duplication error");
 	*num_tokens = 0;
-	token = strtok(input_copy, delim);
+	token = _strtok(input_copy, delim);
 	while (token)
 	{
 		(*num_tokens)++;
-		token = strtok(NULL, delim);
+		token = _strtok(NULL, delim);
 	}
 
 	argv = safe_malloc(sizeof(char *) * ((*num_tokens) + 1));
-	token = strtok(input, delim);
+	token = _strtok(input, delim);
 	for (i = 0; token; i++)
 	{
 		argv[i] = safe_malloc(sizeof(char) * (strlen(token) + 1));
 		strcpy(argv[i], token);
-		token = strtok(NULL, delim);
+		token = _strtok(NULL, delim);
 	}
 	argv[i] = NULL;