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  1. .TH str_diffn 3
  2. .SH NAME
  3. str_diffn \- compare two ASCIIZ strings
  4. .SH SYNTAX
  5. .B #include <str.h>
  6. extern int \fBstr_diffn\fP(const char* \fIa\fR,const char* \fIb\fR,unsigned long \fIlimit\fR);
  7. .SH DESCRIPTION
  8. \fBstr_diffn\fR returns negative, 0, or positive, depending on whether the
  9. string \fIa\fR[0], \fIa\fR[1], ..., \fIa\fR[n]=='\\0' is
  10. lexicographically smaller than, equal to, or greater than the string
  11. \fIb\fR[0], \fIb\fR[1], ..., \fIb\fR[m-1]=='\\0'.
  12. If the strings are different, str_diffn does not read bytes past the
  13. first difference. The strings will be considered equal if the first
  14. \fIlimit\fR characters match.
  15. .SH "SEE ALSO"
  16. strlen(3)