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/* $Id: string.c 3 2024-09-13 09:06:44Z nishi $ */
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/* $Id: string.c 4 2024-09-13 09:39:33Z nishi $ */
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#include <string.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdlib.h>
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char* cm_strcat(const char* a, const char* b) {
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char* cm_strcat(const char* a, const char* b) {
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	str[strlen(a) + strlen(b)] = 0;
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	str[strlen(a) + strlen(b)] = 0;
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	return str;
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	return str;
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}
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}
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char* cm_strdup(const char* str) { return cm_strcat(str, ""); }
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char* cm_strdup(const char* str) { return cm_strcat(str, ""); }
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char* cm_trimstart(const char* str){
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	int i;
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	for(i = 0; str[i] != 0; i++){
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		if(str[i] != ' ' && str[i] != '\t'){
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			return cm_strdup(str + i);
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		}
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	}
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	return cm_strdup("");
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}
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char* cm_trimend(const char* str){
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	char* s = cm_strdup(str);
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	int i;
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	for(i = strlen(s) - 1; i >= 0; i--){
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		if(s[i] != '\t' && s[i] != ' '){
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			s[i + 1] = 0;
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			break;
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		}
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	}
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	return s;
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}
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char* cm_trim(const char* str){
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	char* tmp = cm_trimstart(str);
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	char* s = cm_trimend(tmp);
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	free(tmp);
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	return s;
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}