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
库函数以及文件大全（经典）chm格式 挺好的clearerr clears errors fclose close a file feof true if at the end-of-file ferror checks for a file error fflush writes the contents of the output buffer fgetc get a character from a stream fgetpos get the file position indicat
C++ 中消息队列函数实例详解
1.消息队列结构体的定义
typedef struct{
uid_t uid; /* owner`s user id */
gid_t gid; /* owner`s group id */
udi_t cuid; /* creator`s user id */
gid_t cgid; /* creator`s group id */
mode_t mode; /* read-write permissi
