litex/software/include/base/stdarg.h

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#ifndef __STDARG_H
#define __STDARG_H
#include <stdlib.h>
#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4))
#define va_start(v,l) __builtin_va_start((v),l)
#else
#define va_start(v,l) __builtin_stdarg_start((v),l)
#endif
#define va_arg(ap, type) \
__builtin_va_arg((ap), type)
#define va_end(ap) \
__builtin_va_end(ap)
#define va_list \
__builtin_va_list
int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
int vsprintf(char *buf, const char *fmt, va_list args);
#endif /* __STDARG_H */