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C program to delete n characters from a given position from a given string?
Wiki User
∙ 14y ago
void strsectdel (char *str, size_t offs, size_t ndel)
{
size_t len= strlen (str);
if (offs>len) return;
if (ndel>len-offs) ndel= len-offs;
if (ndel==0) return;
memmove (str+offs, str+offs+ndel, ndel);
len -= ndel;
str [len]= '\0';
}
Wiki User
∙ 14y ago
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How do you use MID function in qbasic?
...QBASIC program code... name$="Jack" startCharPos%=2 howManyChars%=2 PRINT MID$(name$,startCharPos%,howManyChars%) ...output... ac EXPLANATION The MID$() function allows you to select characters from out of a string. In the above case the string is,... name$="Jack" ...where... J= string position 1 a= string position 2 c= string position 3 k= string position 4 ...thus, if we select MID$(name$,2,2)... ...this code is actually saying...select from the name...the character which begins at position 2 = a/and, extract 2 characters going along from there... = ac.
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