chl_next_argf

Name

<chl/chl.h>

chl_next_argf, CHL next argument float

Declaration

float chl_next_argf(char * args);

Description

The chl_next_argf function is used to get the next argument converted to a float 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

The converted float value of argument, -1 if last argument is reached, if conversion to float could not be done or if an error occurred.

---

Examples

main.c

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

void print_float(char * args) {
    float arg;

    if((arg = chl_next_argf(args)) > 0)
        printf("%f", arg);
}

int main() {
    chl_func_append("print_float", print_float);
    chl_func("print_float", "1234.2441");
}

Output: 1234.2441