Zilog ZUSBOPTS Bedienungsanleitung PDF herunterladen (Seite 476)

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Standard Functions UM017105-0511

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Zilog Developer Studio II – ZNEO™

User Manual

strrchr

Locates the last occurrence of c (converted to a char) in the string pointed to by s. The

terminating null character is considered to be part of the string.

Synopsis

#include <string.h>

char *strrchr(const char *s, int c);

Returns

A pointer to the character, or a null pointer if c does not occur in the string.

Example

char *ptr;

char s1[]="COMPASS";

ptr=strrchr(s1,'p');

strspn

Finds the first substring from a given character set in a string.

Synopsis

#include <string.h>

size_t strspn(const char *s1, const char *s2);

Returns

The length of the segment.

Example

char s1[]="cabbage";

char s2[]="abc";

size_t res,

res=strspn(s1,s2);

strstr

Locates the first occurrence of the string pointed to by s2 in the string pointed to by s1.

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