Zilog Z80380 Manual de usuario descargar pdf (Pagina 81)

UM004001-COR1103 4–17

Run Time Environment Library Functions

strlen FUNCTION

Header file statement: #include <string.h>

Syntax: size_t strlen (const char *string);

The strlen function returns the length, in bytes, of string, not including the terminating null

character (‘\0’).

Return Value

This function returns the string length. There is no error returned.

strncat FUNCTION

Header file statement: #include <string.h>

Syntax: char *strncat (char *string1, const char *string2, size_t count);

The strncat function appends, at most, the first count characters of string2 to string1, termi-

nate the resulting string with a null character (‘\0’), and return a pointer to the concatenated

string (string1). If count is greater than the length of string2, the length of string2 is used in

place of count.

Return Value

The return values for these functions are described above.

Parameter Description

string

Null-terminated string

Parameter Description

string1

Destination string

string2 Source string

count Number of characters appended

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 115 116

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Zilog Z80380 Manual de usuario Pagina 81