15 lines
334 B
Lua
15 lines
334 B
Lua
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local ffi = require("ffi")
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ffi.cdef[[
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char * strndup(const char * s, size_t n);
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int strlen(const char *s);
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]]
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local s1 = "Hello, world!"
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print("Original: " .. s1)
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local s_s1 = ffi.C.strlen(s1)
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print("strlen: " .. s_s1)
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local s2 = ffi.string(ffi.C.strndup(s1, s_s1), s_s1)
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print("Copy: " .. s2)
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print("strlen: " .. ffi.C.strlen(s2))
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