char* fc_get_qnan(unsigned int exponent_size, unsigned int mantissa_size, char* result);
char* fc_get_plusinf(unsigned int exponent_size, unsigned int mantissa_size, char* result);
char* fc_get_minusinf(unsigned int exponent_size, unsigned int mantissa_size, char* result);
char* fc_get_qnan(unsigned int exponent_size, unsigned int mantissa_size, char* result);
char* fc_get_plusinf(unsigned int exponent_size, unsigned int mantissa_size, char* result);
char* fc_get_minusinf(unsigned int exponent_size, unsigned int mantissa_size, char* result);