sb_appendf 64 maint/gnulib/lib/string-buffer.h extern int sb_appendf (struct string_buffer *buffer, sb_appendf 73 maint/gnulib/tests/test-string-buffer.c sb_appendf (&buffer, "%x", 3735928559U); sb_appendf 104 maint/gnulib/tests/test-string-buffer.c sb_appendf (&buffer, "%lc", 0x76543210); sb_appendf 106 maint/gnulib/tests/test-string-buffer.c sb_appendf (&buffer, invalid_format_string_1, 1); sb_appendf 108 maint/gnulib/tests/test-string-buffer.c sb_appendf (&buffer, invalid_format_string_2, 2);