sscanf.c:31: Warning: conflicting types for build-in function 'sscanf'
sscanf.c: In function 'sscanf':
sscanf.c:37: error 'va_start' used in function with fixed args
../string/bits/string2.h: At top level:
../stdio-common/_itoa.h:40: warning: inlining failed in call to '_itoa_word'
../string/bits/string2.h:76: warning: called from here