技术问答C++鐨則csrchr鍑芥暟鏈変粈涔堢敤 - 扬州沐宇科技

tcsrchr鍑芥暟鏄疌++涓殑涓€涓瓧绗︿覆澶勭悊鍑芥暟锛岀敤浜庡湪涓€涓互null缁撳熬鐨勫瓧绗︿覆涓悳绱㈡渶鍚庝竴涓寚瀹氬瓧绗︾殑鍑虹幇浣嶇疆銆傚畠鐨勫嚱鏁板師鍨嬪涓嬶細

const wchar_t* tcsrchr( const wchar_t* str, wchar_t ch );

鍏朵腑锛宻tr鏄鎼滅储鐨勫瓧绗︿覆锛宑h鏄鎼滅储鐨勫瓧绗︺€傝鍑芥暟杩斿洖涓€涓寚鍚戞渶鍚庝竴涓尮閰嶅瓧绗︾殑浣嶇疆鐨勬寚閽堬紝濡傛灉鎵句笉鍒板尮閰嶅瓧绗︼紝鍒欒繑鍥濶ULL銆?/p>

tcsrchr鍑芥暟甯哥敤浜庢煡鎵惧瓧绗︿覆涓渶鍚庝竴涓寚瀹氬瓧绗︾殑浣嶇疆锛屽彲浠ョ敤浜庡悇绉嶅瓧绗︿覆鎿嶄綔锛屽鎴彇銆佹浛鎹€佸垹闄ょ瓑銆傛瘮濡傦紝鍙互浣跨敤tcsrchr鍑芥暟鏉ユ壘鍒版枃浠惰矾寰勪腑鐨勬枃浠跺悕锛屾垨鑰呭湪URL涓壘鍒版枃浠舵墿灞曞悕绛夈€?/p>

闇€瑕佹敞鎰忕殑鏄紝tcsrchr鍑芥暟鏄瀹藉瓧绗﹀瓧绗︿覆鎿嶄綔鐨勶紝濡傛灉瑕佸绐勫瓧绗﹀瓧绗︿覆鎿嶄綔锛屽彲浠ヤ娇鐢╯trrchr鍑芥暟銆?/p>