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| author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
|---|---|---|
| committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
| commit | fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch) | |
| tree | bdda434976bc09c864f2e4fa6f16ba1952b1e555 /sys/fmtio/strncmp.x | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'sys/fmtio/strncmp.x')
| -rw-r--r-- | sys/fmtio/strncmp.x | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sys/fmtio/strncmp.x b/sys/fmtio/strncmp.x new file mode 100644 index 00000000..515aeaaf --- /dev/null +++ b/sys/fmtio/strncmp.x @@ -0,0 +1,20 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +# STRNCMP -- Compare the first N characters of two strings. A negative value +# is returned if S1 < S2, 0 if S1 == S2, and a positive value if S1 > S2. + +int procedure strncmp (s1, s2, n) + +char s1[ARB], s2[ARB] # strings to be compared +int n # number of chars to compare +int i + +begin + do i = 1, n + if (s1[i] != s2[i]) + return (s1[i] - s2[i]) + else if (s1[i] == EOS) + return (0) + + return (0) +end |