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XmTextFieldGetSubstring - Online Linux Manual Page

Section : library call
NAMEXmTextFieldGetSubstring — A TextField function that retrieves a copy of a portion of the internal text buffer .iX "XmTextFieldGetSubstring" .iX "TextField functions" "XmTextFieldGetSubstring"
SYNOPSIS#include <Xm/TextF​.h> int XmTextFieldGetSubstring( Widget widget, XmTextPosition start, int num_chars, int buffer_size, char *buffer);
DESCRIPTIONXmTextFieldGetSubstring retrieves a copy of a portion of the internal text buffer of a TextField widget​. The function copies a specified number of characters from a given start position in the internal text buffer into a buffer provided by the application​. A NULL terminator is placed at the end of the copied data​. The size of the required buffer depends on the maximum number of bytes per character (MB_CUR_MAX) for the current locale​. MB_CUR_MAX is a macro defined in stdlib​.h​. The buffer should be large enough to contain the substring to be copied and a NULL terminator​. Use the following equation to calculate the size of buffer the application should provide: buffer_size = (num_chars* MB_CUR_MAX) + 1 (void)widget Specifies the TextField widget ID​. start Specifies the beginning character position from which the data will be retrieved​. This is an integer number of characters from the beginning of the text buffer​. The first character position is 0 (zero)​. num_chars Specifies the number of characters to be copied into the provided buffer​. buffer_size Specifies the size of the supplied buffer in bytes​. This size should account for a NULL terminator​. buffer Specifies the character buffer into which the internal text buffer will be copied​. For a complete definition of TextField and its associated resources, see XmTextField(3)​.
RETURNXmCOPY_SUCCEEDED The function was successful​. XmCOPY_FAILED The function failed because it was unable to copy the specified number of characters into the buffer provided​. The buffer size may be insufficient​. The contents of buffer are undefined​. XmCOPY_TRUNCATED The requested number of characters extended beyond the internal buffer​. The function copied characters between start and the end of the widget​'s buffer and terminated the string with a NULL terminator; fewer than num_chars characters were copied​.
RELATEDXmTextField(3) and XmTextFieldGetSubstringWcs(3)​. ... 0
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Online Linux Manual Page   :   Version   :   Online Linux Manual Page - Fedora.40 - march=x86-64 - mtune=generic - 25.03.22
Online Linux Manual Page   :   Library   :   lib_c - 24.10.03 - march=x86-64 - mtune=generic - Fedora.40
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