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
clock_t clock( void );Calculates the processor time used by the calling processhead file is Return Valueclock returns the number of clock ticks of elapsed processor time. The returned value is the product of the amount of time that has elapsed since
