1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <string.h> 4 5 char *left_trim(const char *); 6 7 int main (void) 8 { 9 char str[] = " Hola mundo"; 10 11 printf("%s\n", str); 12 13 printf("%s\n", left_trim(str)); 14 15 return 0; 16 } 17 18 char *left_trim(const char *src) 19 { 20 char *dst; 21 22 /* Counts blank spaces */ 23 size_t i = 0; 24 while(src[i] == ' ') i++; 25 26 /* +1 for the null character */ 27 if(!(dst = (char *)malloc((strlen(src) - i + 1) * sizeof(char)))) 28 return NULL; 29 30 strcpy(dst, src + i); 31 return dst; 32 }
