strspn() function in Cstrspn() 函数返回 str1 指向的字符串的初始子字符串的长度,该长度仅由 str2 指向的字符串中包含的字符组成。 语法: size_t strspn(const char *str1, const char *str2) str1 : string to be scanned. str2 : string containing the characters to match. Return Value : This...
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// crt_strspn.c// This program uses strspn to determine// the length of the segment in the string "cabbage"// consisting of a's, b's, and c's. In other words,// it finds the first non-abc letter.//#include<string.h>#include<stdio.h>intmain(void){charstring[] ="cabbage";in...
Die Subroutinestrlengibt die Anzahl der Byte in der Zeichenfolge zurück, auf die der ParameterZeichenfolgeverweist, ohne die abschließenden Nullbyte. Die Funktionstrnlengibt eine ganze Zahl zurück, die entweder die Länge der Zeichenfolge, auf die durchZeichenfolgeverwies...
// crt_strspn.c// This program uses strspn to determine// the length of the segment in the string "cabbage"// consisting of a's, b's, and c's. In other words,// it finds the first non-abc letter.//#include<string.h>#include<stdio.h>intmain(void){charstring[] ="cabbage";in...
The strspn function returns the index of the first character in str that does not belong to the set of characters in strCharSet. The search does not include terminating null characters. wcsspn and _mbsspn are wide-character and multibyte-character versions of strspn**.** The arguments of wcss...
/* STRSPN.C: This program uses strspn to determine * the length of the segment in the string "cabbage" * consisting of a's, b's, and c's. In other words, * it finds the first non-abc letter. */ #include <string.h> #include <stdio.h> void main( void ) { char string[] ...
spn -> span cspn多出的c是character size
// crt_strspn.c // This program uses strspn to determine // the length of the segment in the string "cabbage" // consisting of a's, b's, and c's. In other words, // it finds the first non-abc letter. // #include <string.h> #include <stdio.h> int main( void ) { char...
The function strspn() searches specified string in the given string and returns the number of the characters that are matched in the given string. C strspn() declaration size_t strspn(const char *str1, const char *str2) str1 - The string in which the cha