man set_config_float (3): Writes a float in the configuration file. Allegro game programming library.

set_config_float(3) Writes a float in the configuration file. Allegro game programming library.

SYNOPSIS

#include <allegro.h>

void set_config_float(const char *section, const char *name, float val);

Writes a floating point variable to the current config file. See the comments about set_config_string().