Riyadh_linux的博客

strlen函数是用来计算字符串长度的,字串末尾’\0’不计入字串长度。strlen函数实现：1.原型： #include <string.h> size_t strlen(const char *s);2.参数：s:需要计算长度的字符串地址3.实现一:size_t my_strlen(const char *s){ const char *p = s; //参数判断

函数实现：信息来自RHEL，man page:MEMCMP(3) Linux Programmer's Manual MEMCMP(3)NAME memcmp - compare memory areasSYNOPSIS #include <string.h> int memcmp(const

函数实现：信息来自RHEL，man page:MEMMOVE(3) Linux Programmer's Manual MEMMOVE(3)NAME memmove - copy memory areaSYNOPSIS #include <string.h> void *memmove(void *

函数实现：信息来自RHEL，man page:MEMCPY(3) Linux Programmer's Manual MEMCPY(3)NAME memcpy - copy memory areaSYNOPSIS #include <string.h> void *memcpy(void *de

信息来自RHEL，man page:STRCASECMP(3) Linux Programmer's Manual STRCASECMP(3)NAME strcasecmp, strncasecmp - compare two strings ignorin

信息来自RHEL，man page:STRCMP(3) Linux Programmer's Manual NAME strcmp, strncmp - compare two stringsSYNOPSIS #include int strcmp(con

函数实现：MEMSET(3) Linux Programmer's Manual MEMSET(3)NAME memset - fill memory with a constant byteSYNOPSIS #include

函数实现：信息来自RHEL，man page:MEMCHR(3) Linux Programmer's Manual MEMCHR(3)NAME memchr, memrchr, rawmemchr - scan memory for a

字符串连接函数strcat，strncat： NAME strcat, strncat - concatenate two stringsstrcat()函数实现：0.功能描述： 将源字符串连接到目标字符串字后。1.原型：#include <string.h>char *strcat(char *dest, const char *src);2.参数：src:源字符串

strcpy函数实现：1.原型：#include <string.h>char *strcpy(char *dest, const char *src);2.实现：实现一：char *my_strcpy1(char *dest, const char *src){ int i = 0; //参数判断 if(NULL == src || NULL == dest || src

函数实现：信息来自RHEL，man page:STRCHR(3) Linux Programmer's Manual STRCHR(3)NAME strchr, strrchr, strchrnul - locate character i