c语言库函数大全--资料收集 Turbo C 2.0 函数中文说明大全 分类函数,所在函数库为ctype.h int isalpha(int ch) 若ch是字母('A'-'Z','a'-'z')返回非0值,否则返回0 int isalnum(int ch) 若ch是字母('A'-'Z','a'-'z')或数字('0'-'9'),返回非0值,否则返回0 int isascii(int ch) 若ch是字符(ASCII码中的0-127)返回非0值,否则返回0 int iscntrl(int ch
;name: ELECTRONIC CLOCK data segment mess1 db 'Press C or c to correct the time',0ah,0dh db 'Press R or r to SET the RING time',0ah,0dh db 'Press ESC button to exit',0ah,0dh,'$' tn db 'Please input the new time (hh:mm:ss):',0dh,0ah,'$' tM db 'Please
