GRASS Programmer's Manual
6.4.3(2013)-r
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mapcase.c
Go to the documentation of this file.
1
#include <grass/gis.h>
2
/*
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* Map uppercase A-Z to lower case a-z
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*
5
*/
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7
19
char
*
G_tolcase
(
char
*
string
)
20
{
21
char
*p;
22
23
for
(p =
string
; *p; p++) {
24
/* convert to lower case */
25
if
(*p >=
'A'
&& *p <=
'Z'
)
26
*p -=
'A'
-
'a'
;
27
}
28
29
return
(
string
);
30
}
31
32
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/*
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* Map lowercase a-z to uppercase A-Z
35
*
36
*/
37
38
49
char
*
G_toucase
(
char
*
string
)
50
{
51
char
*p;
52
53
for
(p =
string
; *p; p++) {
54
/* convert to upper case */
55
if
(*p >=
'A'
&& *p <=
'z'
)
56
*p +=
'A'
-
'a'
;
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}
58
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return
(
string
);
60
}
lib
gis
mapcase.c
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