diff options
Diffstat (limited to 'sys/gio/nspp/sysint/ncgchr.x')
| -rw-r--r-- | sys/gio/nspp/sysint/ncgchr.x | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sys/gio/nspp/sysint/ncgchr.x b/sys/gio/nspp/sysint/ncgchr.x new file mode 100644 index 00000000..5cf40b22 --- /dev/null +++ b/sys/gio/nspp/sysint/ncgchr.x @@ -0,0 +1,22 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +# NCGCHR -- Get a single character (byte) from a packed array. Return +# a blank if the index is out of bounds. + +procedure ncgchr (ichars, len_ichars, index, char_value) + +int ichars[ARB] # packed character array +int len_ichars # length of the array +int index # index of char to be extracted +int char_value # return value + +char ch + +begin + if (index < 1 || index > len_ichars) + char_value = ' ' + else { + call chrupk (ichars, index, ch, 1, 1) + char_value = ch + } +end |