#include <ctype.h>
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| unsigned char | pg_ascii_tolower (unsigned char ch) |
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| unsigned char | pg_ascii_toupper (unsigned char ch) |
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| void | pg_qsort (void *base, size_t nel, size_t elsize, int(*cmp)(const void *, const void *)) |
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| int | pg_qsort_strcmp (const void *a, const void *b) |
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| int | pg_strcasecmp (const char *s1, const char *s2) |
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| int | pg_strncasecmp (const char *s1, const char *s2, size_t n) |
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| unsigned char | pg_tolower (unsigned char ch) |
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| unsigned char | pg_toupper (unsigned char ch) |
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| void | qsort_arg (void *base, size_t nel, size_t elsize, qsort_arg_comparator cmp, void *arg) |
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