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19 #define char2int(c) cast(int, cast(unsigned char, (c)))
21 #define zgetc(z) (((z)->n--)>0 ? char2int(*(z)->p++) : luaZ_fill(z))
23 #define zname(z) ((z)->name)
44 #define luaZ_initbuffer(L, buff) ((buff)->buffer = NULL, (buff)->buffsize = 0)
46 #define luaZ_sizebuffer(buff) ((buff)->buffsize)
47 #define luaZ_buffer(buff) ((buff)->buffer)
49 #define luaZ_resizebuffer(L, buff, size) \
50 (luaM_reallocvector(L, (buff)->buffer, (buff)->buffsize, size, char), \
51 (buff)->buffsize = size)
53 #define luaZ_freebuffer(L, buff) luaZ_resizebuffer(L, buff, 0)