/usr/include/case.h is in libowfat-dev 0.29-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | /* this header file comes from libowfat, http://www.fefe.de/libowfat/ */
#ifndef CASE_H
#define CASE_H
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/* turn upper case letters to lower case letters, ASCIIZ */
void case_lowers(char *s);
/* turn upper case letters to lower case letters, binary */
void case_lowerb(void *buf,size_t len);
/* like str_diff, ignoring case */
int case_diffs(const char *,const char *);
/* like byte_diff, ignoring case */
int case_diffb(const void *,size_t ,const void *);
/* like str_start, ignoring case */
int case_starts(const char *,const char *);
#define case_equals(s,t) (!case_diffs((s),(t)))
#define case_equalb(s,n,t) (!case_diffb((s),(n),(t)))
#ifdef __cplusplus
}
#endif
#endif
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