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struct
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              unsigned int autfd:1;
              unsigned int bldfc:1;
              unsigned int undln:1;
              unsigned int itals:1;
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#include <ctype.h>
int isspace ( int c );
http://www.cplusplus.com/reference/clibrary/cctype/isspace/
Checks if parameter c is a white-space character.For the purpose of this function, standard white-space characters are:
' '
(0x20)
space (SPC)
'\t'
(0x09)
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