Question
Download Solution PDFC में, निम्नलिखित में से किस फलन का उपयोग स्ट्रिंग की लंबाई ज्ञात करने के लिए किया जाता है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसही उत्तर: 2) strlen() है।
व्याख्या:
C में, strlen() फलन (
विकल्प विश्लेषण
- sizeof() → बाइट्स में एक चर/प्रकार का आकार देता है (स्ट्रिंग लंबाई नहीं)।
- length() → मानक C फलन नहीं है (C++ में std::string के लिए सामान्य)।
- strlength() → मानक C में मौजूद नहीं है।
उदाहरण:
C प्रोग्राम:
#include <string.h>
#include <stdio.h>
int main() {
char str[] = "Hello";
printf("Length: %zu", strlen(str)); / Output: 5
return 0;
}
Last updated on Jun 7, 2025
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