1*9fdd6c3cSBryan O'Donoghue // SPDX-License-Identifier: BSD-2-Clause 2*9fdd6c3cSBryan O'Donoghue /* 3*9fdd6c3cSBryan O'Donoghue * Copyright (c) 2018, Linaro Limited 4*9fdd6c3cSBryan O'Donoghue */ 5*9fdd6c3cSBryan O'Donoghue #include <ctype.h> 6*9fdd6c3cSBryan O'Donoghue 7*9fdd6c3cSBryan O'Donoghue int __builtin_isupper(int c) 8*9fdd6c3cSBryan O'Donoghue { 9*9fdd6c3cSBryan O'Donoghue return (c >= 'A' && c <= 'Z'); 10*9fdd6c3cSBryan O'Donoghue } 11