libc/newlib/libc/sys/sh3eb/strchr.c

#include <sys/casio_syscalls.h>

DEFINE_CASIO_SYSCALL_FN_PTR(strchr, char*, (const char*, int), 0xE6E)

char* strchr(const char* str, int character) {
    return _strchr_ptr(str, character);
}