NAME
str_dist -- compute distance between strings
PROTOTYPE
unitptr str_dist( unitptr uHost)
ARGUMENTS
- unitptr uHost
- host unit
RETURN VALUE:
A pointer to the created unit or NULL in the case of an error.
INTERFACE OF CREATED UNIT:
- X_in[]:
- (text input field 0) first string A
- Y_in[]:
- (text input field 1) second string B
- CTL_in[]:
- (control field) if positive, normal operation,
if negative = ignore case when comparing strings.
- X_out[]:
- (output field 0) comparison result
EXECUTION OF CREATED UNIT:
Returns in X_out the number of characters in which the two strings A and
B differ. This is taken to be the nr of different characters up to the common
length of both strings plus the lenght difference.
The result is multiplied by -1 if B is lexicographically before A.
FILE
/local/homes/rhaschke/nst7/man/../o.linx86//../foldersrc/nst_string.c