Function name:mfsStrnCpy 芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋芋 Format: s32 mfsStrnCpy(u8* dest, const u8* src, s32 count) Arguments: dest Buffer for storing character string src Buffer of character string that is copied count Number of characters to copy Return value: dest pointer Function: Copies character string Description: This function copies at most count characters from src to dest. If count characters are too long, the excess characters are discarded. If they are too short, NULL is added to fill dest. If the length of src is greater than or equal to count, NULL is not added at the end of dest.