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-(int)convertToInt:(NSString*)strtemp {
int strlength = 0;
char* p = (char*)[strtemp cStringUsingEncoding:NSUnicodeStringEncoding];
for (int i=0 ; i<[strtemp lengthOfBytesUsingEncoding:NSUnicodeStringEncoding] ;i++) {
if (*p) {
p++;
strlength++;
}
else {
p++;
}
}
return (strlength+1)/2;
}