strrstr

Strstr and Strrstr have been relatively difficult in the string, but as long as we are good at analysis, the anatomy of the string, it will be very easy. In fact, the process of learning code needs us to calm down to analyze, understand. function

#include #include #include char *my_strchr (Const char *DST,CHARC) {assert (DST);const char *pdst = dst;while  (*PDST) {if   (*pdst == c) return  (char *) pdst;elsepdst++;} Return null;} Int main () {char c=0;char arr[40]={0};char * = null;scanf ("

Length-Constrained string functions : This function takes a display length as a parameter to limit the number of characters to compare or copy, preventing some long strings from spilling from the target array. The most common restricted string

Usually see STRRCHR This function, people naturally want to ask the library is there strrstr this function???The answer is: No.But we can implement a STRRSTR function, its function is to find the last occurrence of the substring, if the call will

Usually see STRRCHR This function, people naturally want to ask the library is there strrstr this function???The answer is: No.But we can implement a STRRSTR function, its function is to find the last occurrence of the substring, if the call will

' abc ' = = 0 return TrueBecause this is a number compared to a string, PHP converts the string into a number and then compares it. The rules for PHP conversion are: If the string starts with a number, the first number is taken as the result of the

C-Runtime Library: String trim Function In the past, I always thought that the C Runtime Library does not contain functions such as string trim (in the code left by my predecessor, the big guys always write one by themselves :). In fact, in C

First, STRCHR ()function Prototypes: Char *strchr (const char *string, int c);   s TRCHR () function looks for the first occurrence of a character in a specified string, and if found, returns the location of the last occurrence of the specified

Some common pitfalls during PHP development. During PHP development, some common pitfalls 1. the comment of the strrchr function on the W3School site is as follows: the strrchr () function searches for the position where the string last appears in

1. strrchr functionThe comments on the W3school site are as follows:The STRRCHR () function finds the last occurrence of a string in another string and returns all characters from that position to the end of the string.If it fails, it returns