Mikroelektronika MIKROE-742 데이터 시트

500

- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 6

procedure strncpy(var s1, s2 : string[100]; size : word);

The function copies at most size characters from the string 

s2

to the string 

s1

. If

s2

contains fewer characters than size, 

s1

is padded out with null characters up

to the total length of the size characters.

function strpbrk(var s1, s2 : string[100]) : word;

The function searches s1 for the first occurrence of any character from the string

s2

. The null terminator is not included in the search. The function returns an

index of the matching character in 

s1

. If 

s1

contains no characters from 

s2

, the

function returns 

0xFFFF

.

function strrchr(var s : string[100]; ch : byte) : word;

The function searches the string s for the last occurrence of the character ch.
The null character terminating s is not included in the search. The function
returns an index of the last ch found in 

s

; if no matching character was found,

the function returns 

0xFFFF

.

function strspn(var s1, s2 : string[100]) : byte;

The function searches the string s1 for characters not found in the s2 string.

The function returns the index of first character located in 

s1

that does not

match a character in 

s2

. If the first character in 

s1

does not match a character in

s2

, a value of 

0

is returned. If all characters in 

s1

are found in 

s2

, the length of

s1

is returned (not including the terminating null character).

function strstr(var s1, s2 : string[100]) : word;

The function locates the first occurrence of the string 

s2

in the string 

s1

(exclud-

ing the terminating null character).

The function returns a number indicating the position of the first occurrence of

s2

in 

s1

; if no string was found, the function returns 

0xFFFF

. If 

s2

is a null string,

the function returns 

0

.