Question
In Linux using by C++ 1) Try below and explain why we have an error. char *y; y=hello; // this is ok strcpy(y, hello); //
In Linux using by C++
1) Try below and explain why we have an error.
char *y;
y="hello"; // this is ok
strcpy(y, "hello"); // this is an error
2) Define a character pointer array and store/display strings as below.
char * x[10];
x[0]="hi"; x[1]="bye"; x[2]="hello";
printf("%s %s %s ", x[0],x[1],x[2]);
3) Read the same sentence with gets() and fgets() and explain the difference.
char x[100];
printf("enter a sentence ");
gets(x);
int slen=strlen(x);
for(i=0;i printf("%x ", x[i]); } printf(" enter the same sentence "); fgets(x, 100, stdin); slen=strlen(x); for(i=0;i printf("%x ", x[i]); } 4) Use strtok to extract words from a sentence and store them in an array. Display the number of words as below. Use as many functions as possible to split your program into small pieces. algorithm: read a line tokenize display tokens Enter a sentence aa bcd e e ff aa bcd bcd hijk lmn al bcd You entered aa bcd e e ff aa bcd bcd hijk lmn al bcd There were 12 words: aa bcd e e ff aa bcd bcd hijk lmn al bcd The original sentence was: aa bcd e e ff aa bcd bcd hijk lmn al bcd
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