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StringToLower.c
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1 /************************************************************************/
2 /**
3 
4  \file StringToLower.c
5 
6  \version V1.22
7  \date 07.07.14
8  \brief
9 
10  \copyright (c) UCL / Dr. Andrew C. R. Martin 1991-2014
11  \author Dr. Andrew C. R. Martin
12  \par
13  Institute of Structural & Molecular Biology,
14  University College London,
15  Gower Street,
16  London.
17  WC1E 6BT.
18  \par
19  andrew@bioinf.org.uk
20  andrew.martin@ucl.ac.uk
21 
22 **************************************************************************
23 
24  This code is NOT IN THE PUBLIC DOMAIN, but it may be copied
25  according to the conditions laid out in the accompanying file
26  COPYING.DOC.
27 
28  The code may be modified as required, but any modifications must be
29  documented so that the person responsible can be identified.
30 
31  The code may not be sold commercially or included as part of a
32  commercial product except as described in the file COPYING.DOC.
33 
34 **************************************************************************
35 
36  Description:
37  ============
38 
39 
40 **************************************************************************
41 
42  Usage:
43  ======
44 
45 **************************************************************************
46 
47  Revision History:
48  =================
49 - V1.1 08.02.91 Added KillLine()
50 - V1.2 10.02.91 Added setextn() and index()
51 - V1.3 20.03.91 Added Word()
52 - V1.4 28.05.92 ANSIed
53 - V1.5 22.06.92 Added tab check to Word(). Improved setextn().
54  Added WordN(). Documented other routines.
55 - V1.6 27.07.93 Corrected fsscanf() for double precision
56 - V1.7 07.10.93 Checks made on case before toupper()/tolower()
57  for SysV compatibility. Also index() becomes
58  chindex()
59 - V1.8 18.03.94 getc() -> fgetc()
60 - V1.9 11.05.94 Added GetFilestem(), upstrcmp(), upstrncmp() &
61  GetWord()
62 - V1.10 24.08.94 Added OpenStdFiles()
63 - V1.11 08.03.95 Corrected OpenFile() for non-UNIX
64 - V1.12 09.03.95 Added check on non-NULL filename in OpenFile()
65 - V1.13 17.07.95 Added countchar()
66 - V1.14 18.10.95 Moved YorN() to WindIO.c
67 - V1.15 06.11.95 Added StoreString(), InStringList() and FreeStringList()
68 - V1.16 22.11.95 Moved ftostr() to generam.c
69 - V1.17 15.12.95 Added QueryStrStr()
70 - V1.18 18.12.95 OpenStdFiles() treats filename of - as stdin/stdout
71 - V1.19 05.02.96 OpenStdFiles() allows NULL pointers instead if filenames
72 - V1.20 18.09.96 Added padchar()
73 - V1.21 18.06.02 Added string.h
74 - V1.22 07.07.14 Use bl prefix for functions By: CTP
75 
76 *************************************************************************/
77 /* Doxygen
78  -------
79  #GROUP General Programming
80  #SUBGROUP String handling
81  #FUNCTION blStringToLower()
82  Converts a lower or mixed case string to lower case. The LOWER() macro
83  from macros.h is now preferred
84 */
85 /************************************************************************/
86 /* Includes
87 */
88 #include <ctype.h>
89 #include <string.h>
90 
91 /************************************************************************/
92 /* Defines and macros
93 */
94 
95 /************************************************************************/
96 /* Globals
97 */
98 
99 /************************************************************************/
100 /* Prototypes
101 */
102 
103 
104 /************************************************************************/
105 /*>void blStringToLower(char *string1, char *string2)
106  --------------------------------------------------
107 *//**
108 
109  \param[in] *string1 A character string
110  \param[out] *string2 Lower case version of string1
111 
112  This routine converts a lower or mixed case string to lower case.
113 
114 - 06.02.91 Original
115 - 28.05.92 ANSIed
116 - 07.01.93 Checks case before converting for SysV
117 - 07.07.14 Use bl prefix for functions By: CTP
118 */
119 void blStringToLower(char *string1,
120  char *string2)
121 {
122  int i;
123 
124  for(i=0;i<strlen(string1);i++)
125  if(isupper(string1[i]))
126  string2[i]=tolower(string1[i]);
127  else
128  string2[i]=string1[i];
129  string2[i]='\0';
130 }
131 
132 
blStringToLower
void blStringToLower(char *string1, char *string2)
Definition: StringToLower.c:119
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