Zilog Z80380 Manuale Utente Scaricare il pdf (Pagina 78)

Library Functions Run Time Environment

4–14 UM004001-COR1103

strchr FUNCTION

Header file statement: #include <string.h>

Syntax: char *strchr (const char *string, int c);

The strchr function returns a pointer to the first occurrence of c (converted to char) in string.

The converted character c may be the null character (‘\0’); the terminating null character of

string is included in the search. The function returns NULL if the character is not found.

The strchr function operates on null-terminated strings. The string arguments to these func-

tions are expected to contain a null character (‘\0’) marking the end of the string.

Return Value

The return values for this function are described above.

Parameter Description

string

Source string

c Character to be located

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Zilog Z80380 Manuale Utente Pagina 78