Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_GetDaysInMonth - Get the number of days in a month for a given year.
SYNOPSIS
#include <SDL3/SDL_time.h>
int SDL_GetDaysInMonth(int year, int month);
FUNCTION PARAMETERS
year the year.
month the month [1-12].
RETURN VALUE
for more information.
AVAILABILITY
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_GetDaysInMonth(3)