ic-sqlite-vfs 0.2.0

SQLite VFS backed directly by Internet Computer stable memory
Documentation 
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#ifndef IC_SQLITE_CTYPE_H
#define IC_SQLITE_CTYPE_H

static inline int isalnum(int c) {
  return ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z') ||
          (c >= 'a' && c <= 'z'));
}

static inline int isalpha(int c) {
  return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'));
}

static inline int isdigit(int c) { return (c >= '0' && c <= '9'); }
static inline int isxdigit(int c) {
  return isdigit(c) || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f');
}
static inline int isspace(int c) {
  return c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' ||
         c == '\v';
}
static inline int isupper(int c) { return c >= 'A' && c <= 'Z'; }
static inline int islower(int c) { return c >= 'a' && c <= 'z'; }
static inline int tolower(int c) { return isupper(c) ? c + 32 : c; }
static inline int toupper(int c) { return islower(c) ? c - 32 : c; }

#endif