1 Calling conventions specify how functions receive arguments and return values. 2 On x86 platforms, ucode supports `__attribute__((stdcall))`, `__attribute__((fastcall))`, 3 and `__attribute__((cdecl))` syntax. The keywords `__stdcall`, `__fastcall`, etc. also work. 4 5 -- Testcase -- 6 {% 7 import * as ffi from 'ffi'; 8 9 // Test all calling convention syntaxes in a single multi-line cdef 10 ffi.cdef(` 11 __attribute__((stdcall)) int atoi(const char *); 12 __attribute__((fastcall)) long strtol(const char *, char **, int); 13 __attribute__((cdecl)) size_t strlen(const char *); 14 __stdcall int abs(int); 15 `); 16 17 // All declarations parsed successfully 18 print("Calling conventions: OK\n"); 19 -- End -- 20 21 -- Expect stdout -- 22 Calling conventions: OK 23 -- End --
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