gbdk-2020 | GameBoy Development Kit |
| download: https://git.y1.nz/archives/gbdk.tar.gz | |
| README | Files | Log | Refs | LICENSE |
gbdk-lib/libc/toupper.c
1 #include <stdint.h>
2
3 char toupper(char c) {
4 return ((uint8_t)((uint8_t)c - 'a') < ('z' - 'a' + 1)) ? c - 32u : c;
5 }
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