chl_next_arg

Name

<chl/chl.h>

chl_next_arg, CHL next argument

Declaration

char * chl_next_arg(char * args);

Description

The chl_next_arg function is used to get the next argument associated with the calling CHL function.

Arguments

• args: on first call, the char * args variable passed to the calling CHL function. Then on further calls, NULL.

Return value

A char pointer to the next argument, or 0 if function has reached last argument.

---

Examples

main.c

#include <chl/chl.h>
#include <stdio.h>

void print(char * args) {
    char * arg;

    if((arg = chl_next_arg(args)))
        fputs(arg, stdout);

    while((arg = chl_next_arg(NULL))
        fputs(arg, stdout);
}

int main() {
    chl_func_append("print", print);
    chl_func("print", "'Hello', 'world'");
}

Output: Helloworld