Mikroelektronika MIKROE-350 Fiche De Données

494

- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 6

sub function strspn(dim byref s1, s2 as string[100]) as 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).

sub function strstr(dim byref s1, s2 as string[100]) as 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.